The Validity of a Computerized Use of Time Recall, the Multimedia Activity Recall for Children and Adolescents

Tim Olds, Kate Ridley, Jim Dollman, Carol Maher

    Research output: Contribution to journalArticle

    41 Citations (Scopus)

    Abstract

    This study examined the convergent validity of a computerized use of time diary (MARCA) relative to pedometry. Participants aged 9-16 years wore a pedometer and completed the MARCA. Comparing pedometer data and self-report data collected for the same day (n = 297 participants), the correlation (Spearman's rho) with PAL was 0.54 and with MVPA was 0.50. Comparing mean daily step counts over 6-7 days with averaged self-report data collected on different days (n = 1713 participants) Spearman's rho for PAL was 0.45 and for MVPA was 0.44. Thus, the MARCA showed validity similar or superior to most self-report instruments for young people.

    Original languageEnglish
    Pages (from-to)34-43
    Number of pages10
    JournalPediatric Exercise Science
    Volume22
    Issue number1
    DOIs
    Publication statusPublished - Feb 2010

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